Home / 14,955.54-20,606.72-13,588.67

Finding the Fourth Proportional to 14,955.54, 20,606.72 and 13,588.67

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Solution

The fourth proportional to 14,955.54, 20,606.72 and 13,588.67 is: 18,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.54 : 20,606.72 = 13,588.67 : x
  2. Step 2: Convert to fraction form
    14,955.54/20,606.72 = 13,588.67/x
  3. Step 3: Cross multiply
    14,955.54x = 20,606.72 × 13,588.67
  4. Step 4: Simplify right side
    14,955.54x = 280,017,746.89
  5. Step 5: Solve for x
    x = 280,017,746.89/14,955.54
  6. Step 6: Final answer
    x = 18,723.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.